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has been cited by the following article:

• TITLE: Corrosion Behavior of Alumina Reinforced Aluminium (6063) Metal Matrix Composites

  AUTHORS: K. K. Alaneme, M. O. Bodunrin

  KEYWORDS: Stir casting; Al (6063) – Al2O3 composite; solution heat-treatment; Corrosion rate; mass loss

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.10 No.12, October 10, 2011

  ABSTRACT: The influence of alumina volume percent and solution heat-treatment on the corrosion behaviour of Al (6063) composites and its monolithic alloy in salt water, basic and acidic environments is investigated. Al (6063) – Al2O3 particulate composites containing 6, 9, 15, and 18 volume percent alumina were produced by adopting two step stir casting. Mass loss and corrosion rate measurements were utilized as criteria for evaluating the corrosion behaviour of the composites. It is observed that Al (6063) – Al2O3 composites exhibited excellent corrosion resistance in NaCl medium than in the NaOH and H2SO4 media. The unreinforced alloy exhibited slightly superior corrosion resistance than the composites in NaCl and NaOH media but the composites had better corrosion resistance in H2SO4 medium. Furthermore, solution heat-treatment resulted in improved corrosion resistance for both the composites and the unreinforced alloy while the effect of volume percent alumina on corrosion resistance did not follow a consistent trend.